DECIMAL CLASSIFICATION 
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Grafting according to position of scion 
Root grafting 
Crown “ 
See also 631.54136, note 
Stem grafting (on main stem or trunk) 
Top ¢ (in top or branches) 
Bud grafting Budding 
Formerly called inoculation Flute grafting 
Grafting by approach, inarching 
Binding and protecting grafts 
Indoor grafting 
Pruning 
Winter pruning 
Theories of pruning 
Methods of pruning 
Heading in 
Thinning of branches 
Scraping 
Time to prune 
Summer pruning Work on green wood 
Pinching in 
Nipping off buds 
Clipping 
Ringing, girdling 
Thinning fruit 
Trimming (to secure definit shape) 
Protection and shelter 
Bel glasses 
Cold frames 
Hotbeds 
Greenhouses 
Forcing houses 
Unheated houses 
Retardation 
Training 
Vertical, poles, stakes, cords 
Espalier or trellis training 
Wall training 
Arbor training 
Cordon training 
Stages of plant growth 
Seedling 
Increase, growth 
Maturity 
Flowering 
Pollination; fertilization; pollen setting 
Fruitage 
Ripening